[PATCH] D83242: [clang][BPF] support type existence/size and enum value relocations

[Yonghong Song via Phabricator via cfe-commits]

yonghong-song added a comment.

One potential missing relocation is to test whether a particular enum value (from an enum type) exists or not.

One way is to create a new relocation type ENUM_VALUE_EXISTENCE where "access_string" to encode the enum value. This is different from TYPE_EXISTENCE for enum type where the "access_string" is "0".

Alternatively, we could have TYPE_EXISTENCE to include enum value existence as well. "access_string" is say "0" for typedef/record/enum types and "0:<enum_value>" for enum value.

WDYT?


Repository:
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https://reviews.llvm.org/D83242